This page summarises the information held within TEPCat for the transiting planetary system Kepler-434. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015A+A...575A..71A | |
| Date of discovery paper | 2015 / 1 / 8 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 34 20.73 | h m s |
| Declination | +42 55 44.1 | d m s |
| Right ascension (decimal) | 293.58637 | degrees |
| Declination (decimal) | 42.92892 | degrees |
| V-band apparent magnitude | 14.65 | mag |
| K-band apparent magnitude | 13.04 | mag |
| Transit duration | 0.0953 ( 2.287 ) | day hour |
| Transit depth | 0.4 | % |
| Time of mid-transit | 2455003.02283 ± 0.00042 | HJD or BJD |
| Orbital period | 12.8747099 ± 0.0000050 | days |
| Reference for orbital ephemeris | 2015A+A...575A..71A |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5970 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.35 ± 0.15 | dex |
| Stellar mass | 1.198 ± 0.093 | Msun |
| Stellar radius | 1.38 ± 0.13 | Rsun |
| Stellar logarithmic surface gravity | 4.242 ± 0.055 | c.g.s. |
| Stellar mean density | 0.46 ± 0.11 ( 0.65 ± 0.16 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.131 ± 0.072 | |
| Orbital semimajor axis | 0.1143 ± 0.0030 | AU |
| Planetary mass | 2.86 ± 0.35 ( 909 ± 111 ) | Mjup Mearth |
| Planetary radius | 1.13 +0.26 −0.18 ( 12.7 + 2.9 − 2.0 ) | Rjup Rearth |
| Planetary surface gravity | 55 +19 −23 3.7 +0.1 −0.2 | m/s2 log(cgs) |
| Planetary mean density | 1.8 ± 1.0 ( 2.4 ± 1.3 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1000 ± 45 | K |
| Reference of detailed study | 2015A+A...575A..71A |
Kepler-434 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)